sendmail hangs indefinitely on service start with error: Recipient names must be specified
Issue
-
When our RHEL 5 & RHEL 6 systems are booting, they hang forever when they get to sendmail -- with the following error:
Starting sendmail: Recipient names must be specifiedThe hanging means that all the services after sendmail don't get started, and neither do the console logins
Logging in over ssh works and we can runservice sendmail stopto get the system to finish booting
However,service sendmail startfrom the cmdline also hangs until we press Ctrl-c
Environment
- sendmail with modified
/etc/sysconfig/sendmail - Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 5
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